Update status of celestron to Stable

Tested-by: Eric K0JEG
Tested-by: Daniel DL7NDR <040+73@mailbox.org>
Tested-by: Андрей Родионов <dernasherbrezon@gmail.com>

rotators/celestron/celestron.c

@@ -228,7 +228,7 @@ const struct rot_caps nexstar_rot_caps =
     .mfg_name =       "Celestron",
     .version =        "20220109.0",
     .copyright =      "LGPL",
-    .status =         RIG_STATUS_BETA,
+    .status =         RIG_STATUS_STABLE,
     .rot_type =       ROT_TYPE_AZEL,
     .port_type =      RIG_PORT_SERIAL,
     .serial_rate_min  = 9600,